View Code of Problem 72

#include<stdio.h>
int main()
{

    int n,i;
    double m,s;
    scanf("%lf%d",&m,&n);
    s=m;
    for(i=0;i<n;i++)
    {
        m=m/2;
        s+=2*m;
    }
    s-=2*m;
   printf("%.2lf %.2lf",m,s);
    return 0;
}